EP2975737A3 - Scellement de moteur à pression négative - Google Patents

Scellement de moteur à pression négative Download PDF

Info

Publication number
EP2975737A3
EP2975737A3 EP15176710.0A EP15176710A EP2975737A3 EP 2975737 A3 EP2975737 A3 EP 2975737A3 EP 15176710 A EP15176710 A EP 15176710A EP 2975737 A3 EP2975737 A3 EP 2975737A3
Authority
EP
European Patent Office
Prior art keywords
electric motor
negative pressure
internal environment
sealed internal
pressure motor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP15176710.0A
Other languages
German (de)
English (en)
Other versions
EP2975737A2 (fr
EP2975737B1 (fr
Inventor
Quinlan Yee Shuck
Gavin Baxter
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rolls Royce PLC
Rolls Royce Corp
Original Assignee
Rolls Royce PLC
Rolls Royce Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rolls Royce PLC, Rolls Royce Corp filed Critical Rolls Royce PLC
Publication of EP2975737A2 publication Critical patent/EP2975737A2/fr
Publication of EP2975737A3 publication Critical patent/EP2975737A3/fr
Application granted granted Critical
Publication of EP2975737B1 publication Critical patent/EP2975737B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/08—Arrangements for cooling or ventilating by gaseous cooling medium circulating wholly within the machine casing
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
    • H02K5/203—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium specially adapted for liquids, e.g. cooling jackets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/10—Arrangements for cooling or ventilating by gaseous cooling medium flowing in closed circuit, a part of which is external to the machine casing
    • H02K9/12—Arrangements for cooling or ventilating by gaseous cooling medium flowing in closed circuit, a part of which is external to the machine casing wherein the cooling medium circulates freely within the casing

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Motor Or Generator Frames (AREA)
  • Motor Or Generator Cooling System (AREA)
EP15176710.0A 2014-07-17 2015-07-14 Scellement de moteur à pression négative Active EP2975737B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US201462025789P 2014-07-17 2014-07-17

Publications (3)

Publication Number Publication Date
EP2975737A2 EP2975737A2 (fr) 2016-01-20
EP2975737A3 true EP2975737A3 (fr) 2016-07-13
EP2975737B1 EP2975737B1 (fr) 2017-09-13

Family

ID=54146900

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15176710.0A Active EP2975737B1 (fr) 2014-07-17 2015-07-14 Scellement de moteur à pression négative

Country Status (2)

Country Link
US (1) US9929625B2 (fr)
EP (1) EP2975737B1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10892140B2 (en) 2018-07-27 2021-01-12 Eagle Harbor Technologies, Inc. Nanosecond pulser bias compensation
US11004660B2 (en) 2018-11-30 2021-05-11 Eagle Harbor Technologies, Inc. Variable output impedance RF generator
US11430635B2 (en) 2018-07-27 2022-08-30 Eagle Harbor Technologies, Inc. Precise plasma control system
US11532457B2 (en) 2018-07-27 2022-12-20 Eagle Harbor Technologies, Inc. Precise plasma control system
US11222767B2 (en) 2018-07-27 2022-01-11 Eagle Harbor Technologies, Inc. Nanosecond pulser bias compensation
JP7038901B2 (ja) 2018-08-10 2022-03-18 イーグル ハーバー テクノロジーズ，インク． Ｒｆプラズマリアクタ用プラズマシース制御
TWI778449B (zh) 2019-11-15 2022-09-21 美商鷹港科技股份有限公司 高電壓脈衝電路
US11612986B2 (en) 2019-12-17 2023-03-28 Rolls-Royce Corporation Abrasive coating including metal matrix and ceramic particles
WO2021134000A1 (fr) 2019-12-24 2021-07-01 Eagle Harbor Technologies, Inc. Isolation rf de générateur d'impulsions nanosecondes pour systèmes à plasma

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994010739A1 (fr) * 1992-11-04 1994-05-11 Siemens Aktiengesellschaft Extraction d'hydrogene d'une machine electrique remplie d'hydrogene
US6008553A (en) * 1998-09-18 1999-12-28 Ford Global Technologies, Inc. Linear motor with negative pressure cooling circuit
US20080055576A1 (en) * 2006-08-29 2008-03-06 Asml Netherlands B.V. Lithographic apparatus, and motor cooling device
US20120049665A1 (en) * 2010-08-25 2012-03-01 Rudolph Garriga Systems and methods for fluid cooling of electric machines

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3258619A (en) 1966-06-28 Gas control system for dynamoelectric machines
US2186232A (en) 1938-01-29 1940-01-09 Westinghouse Electric & Mfg Co Ventilation of totally enclosed dynamo-electric machines
US2196408A (en) 1938-04-21 1940-04-09 Westinghouse Electric & Mfg Co Explosion-resisting motor
US2488387A (en) 1948-03-06 1949-11-15 Westinghouse Electric Corp Enclosed dynamoelectric machine
US3348081A (en) 1965-09-16 1967-10-17 Gen Electric Gap pickup rotor with gas segregating baffles
US3840762A (en) 1972-03-22 1974-10-08 Rockwell International Corp Vacuum-cooled power tool
US5212432A (en) 1989-10-20 1993-05-18 Tokico, Ltd. Industrial robot
DE4443427C2 (de) 1994-12-06 2002-04-18 Siemens Ag Elektrische Maschine
JP3687693B2 (ja) 1995-11-21 2005-08-24 株式会社安川電機 電動モータ
JP2000170680A (ja) 1998-09-30 2000-06-20 Aisin Seiki Co Ltd 真空ポンプ
DE10117398A1 (de) 2001-04-06 2002-10-10 Miscel Oy Ltd Elektrischer Asynchronmotor
US6830842B2 (en) 2001-10-24 2004-12-14 General Motors Corporation Hydrogen purged motor for anode re-circulation blower
US6750588B1 (en) * 2002-06-03 2004-06-15 Christopher W. Gabrys High performance axial gap alternator motor
GB2393584B (en) 2002-09-26 2006-06-21 Alstom Gas-cooled generator
US7084548B1 (en) * 2003-07-11 2006-08-01 Gabrys Christopher W Low cost high speed electrical machine
US6794777B1 (en) * 2003-12-19 2004-09-21 Richard Benito Fradella Robust minimal-loss flywheel systems
EP1768234A4 (fr) 2004-06-21 2010-07-21 Mitsubishi Electric Corp Moteur de type à refroidissement par ventilateur entièrement protégé
FR2891416B1 (fr) 2005-09-29 2007-11-02 Valeo Equip Electr Moteur Systeme de ventilation pour machines electriques tournantes equipe d'un dispositif de refroidissement par ecoulement force d'un fluide et machine electrique tournante comportant un tel dispositif
DE602008001890D1 (de) 2007-03-15 2010-09-02 Direct Drive Systems Inc Kühlung einer elektrischen maschine
ES2396989T3 (es) 2008-10-28 2013-03-01 Siemens Aktiengesellschaft Disposición para la refrigeración de una máquina eléctrica
US8159094B2 (en) 2009-03-11 2012-04-17 Nidec Motor Corporation Electric motor having fluid circulation system and methods for cooling an electric motor
WO2011085322A2 (fr) 2010-01-11 2011-07-14 Heitmann Arnold M Moteur à induction
NO331965B2 (no) 2010-09-29 2012-05-14 Rolls Royce Marine As Elektrisk permanentmagnetmotor

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994010739A1 (fr) * 1992-11-04 1994-05-11 Siemens Aktiengesellschaft Extraction d'hydrogene d'une machine electrique remplie d'hydrogene
US6008553A (en) * 1998-09-18 1999-12-28 Ford Global Technologies, Inc. Linear motor with negative pressure cooling circuit
US20080055576A1 (en) * 2006-08-29 2008-03-06 Asml Netherlands B.V. Lithographic apparatus, and motor cooling device
US20120049665A1 (en) * 2010-08-25 2012-03-01 Rudolph Garriga Systems and methods for fluid cooling of electric machines

Also Published As

Publication number Publication date
EP2975737A2 (fr) 2016-01-20
US9929625B2 (en) 2018-03-27
US20160020672A1 (en) 2016-01-21
EP2975737B1 (fr) 2017-09-13

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